Copy changes from the no-history fork, generated back in 2023

Original commit message:
> commit f138311d2d2e0cc9ba0496d523bb46f2c1c9fb73
> Author: rtk0c <[email protected]>
> Date:   Wed Sep 20 23:58:58 2023 -0700
>
>     Copy from the PlasticSCM repo, replace vendored glm wtih conan

In reality, this also introduced a few uncommitted changes in the
original PlasticSCM repo. See the modified and new files in this patch.

1 files changed, 0 insertions, 19 deletions

diff --git a/3rdparty/glm/source/test/gtx/gtx_matrix_decompose.cpp b/3rdparty/glm/source/test/gtx/gtx_matrix_decompose.cpp
deleted file mode 100644
index 5a1884e..0000000
--- a/3rdparty/glm/source/test/gtx/gtx_matrix_decompose.cpp
+++ /dev/null
@@ -1,19 +0,0 @@
-#define GLM_ENABLE_EXPERIMENTAL
-#include <glm/gtx/matrix_decompose.hpp>
-
-int main()
-{
-	int Error(0);
-
-	glm::mat4 Matrix(1);
-
-	glm::vec3 Scale;
-	glm::quat Orientation;
-	glm::vec3 Translation;
-	glm::vec3 Skew(1);
-	glm::vec4 Perspective(1);
-
-	glm::decompose(Matrix, Scale, Orientation, Translation, Skew, Perspective);
-
-	return Error;
-}